Home / 19,669.44-27,143.16-10,716.84

Finding the Fourth Proportional to 19,669.44, 27,143.16 and 10,716.84

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Solution

The fourth proportional to 19,669.44, 27,143.16 and 10,716.84 is: 14,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.44 : 27,143.16 = 10,716.84 : x
  2. Step 2: Convert to fraction form
    19,669.44/27,143.16 = 10,716.84/x
  3. Step 3: Cross multiply
    19,669.44x = 27,143.16 × 10,716.84
  4. Step 4: Simplify right side
    19,669.44x = 290,888,902.81
  5. Step 5: Solve for x
    x = 290,888,902.81/19,669.44
  6. Step 6: Final answer
    x = 14,788.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.